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29 Cards in this Set
 Front
 Back
associative property of multiplication

(a x b) x c = a x (b x c)


When the minuend (top) is missing, we ______ to find it.

add


A sequence is an ordered list of numbers that follow a _____________.

pattern


associative property of addition

(a + b) + c = a + (b + c)


minuend  subtrahend =

difference


commutative property of multiplication

4 x 5 = 20 5 x 4 = 20


Inverse operations __________ each other

"undo"


letters that can stand for any number

variables


fact family for 2, 3, and 5

2 + 3 = 5
3 + 2 = 5 5  3 = 2 5  2 = 3 

identity property of addition

a + 0 = a


When the divisor is missing, we _________ to find it.

divide


Find the next three terms of this sequence.
1, 2, 4, 8, ___, ___, ___. 
16, 32, 64


When the dividend is missing, we __________ to find it.

multiply


To "undo" multiplication, __________.

divide


When the subtrahend is missing, we __________ to find it.

subtract


To "undo" addition, _________.

subtract


identity property of multiplication

a x 1 = a


whole numbers

{0, 1, 2, 3, 4, . . .}


ellipsis

. . .
means the list is infinite (goes on without end) 

When a factor is missing, we _________ to find it.

divide


Dividend divided by divisor =

quotient


counting numbers
or natural numbers 
{1, 2, 3, 4, . . .}


When an addend is missing, we __________ to find it.

subtract


property of zero for multiplication

a x 0 = 0


factor x factor =

product


addend + addend =

sum


commutative property of addition

2 + 3 = 5 3 + 2 = 5


Money can be written either with a cent sign or a dollar sign and a decimal point but never _______.

both


Zero is called the __________
____________ because when zero is added to another number, the sum is identical to that number. 
additive identity
